<template>
  <div class="login-container">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on" label-position="left">

      <div class="title-container">
        <h3 class="title">license鉴权平台</h3>
      </div>

      <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="username"
          v-model="loginForm.username"
          placeholder="请输入账户"
          name="username"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="请输入密码"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
        </span>
      </el-form-item>
	  <el-form-item prop="code" v-if="captchaOnOff">
	    <el-input
	      v-model="loginForm.code"
	      auto-complete="off"
	      placeholder="验证码"
	      style="width: 63%"
		  @keyup.enter.native="handleLogin"
	    >
	      <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
	    </el-input>
	    <div class="login-code">
	      <img :src="codeUrl" @click="getCode" class="login-code-img"/>
	    </div>
	  </el-form-item>
      <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;" @click.native.prevent="handleLogin">登录</el-button>
		
      <!-- <div class="tips">
        <span style="margin-right:20px;">username: admin / hichs / factory</span>
        <span> password: admin123 | hichs</span>
      </div> -->

    </el-form>
	<div class="versions">
		Copyright © 2022-2025 HAS. versions: {{versions}}
	</div>
  </div>
</template>

<script>
// import { validUsername } from '@/utils/validate'
import { getCodeImg } from "@/api/user";
export default {
  name: 'Login',
  data() {
    /* const validateUsername = (rule, value, callback) => {
      if (!validUsername(value)) {
        callback(new Error('请输入正确的用户名'))
      } else {
        callback()
      }
    }
    const validatePassword = (rule, value, callback) => {
      if (value.length < 3) {
        callback(new Error('密码不能小于3位'))
      } else {
        callback()
      }
    } */
    return {
	  // 验证码开关
	  captchaOnOff: true,
	  codeUrl: "",
      loginForm: {
        username: '',
        password: '',
		code:'',
		uuid: ''
      },
      loginRules: {
        // username: [{ required: true, trigger: 'blur', validator: validateUsername }],
        username: [{ required: true, trigger: 'blur', message: "账号不能为空"}],
        password: [{ required: true, trigger: 'blur',  message: "密码不能为空" }],
		code: [{ required: true, trigger: "change", message: "请输入验证码" }]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
	
  },
  computed:{
  	versions() {
  	  return this.$store.state.settings.versions
  	},
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  created() {
    this.getCode();
  },
  methods: {
    //获取验证码
	getCode() {
	  getCodeImg().then(res => {
	    this.captchaOnOff = res.captchaOnOff === undefined ? true : res.captchaOnOff;
	    if (this.captchaOnOff) {
	      this.codeUrl = "data:image/gif;base64," + res.img;
	      this.loginForm.uuid = res.uuid;
	    }
	  });
	},  
	  
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true
          this.$store.dispatch('user/login', this.loginForm).then(() => {
            this.$router.push({ path: this.redirect || '/' })
            this.loading = false
          }).catch(() => {
            this.loading = false
			if (this.captchaOnOff) {
			  this.getCode();
			}
          })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#283443;
$light_gray:#fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }
  .login-code {
    width: 33%;
    height: 46px;
    float: right;
	text-align: right;
    img {
      cursor: pointer;
      vertical-align: middle;
    }
  }
  .login-code-img {
    height: 46px;
  }
  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
  .versions{
	  color: #eee;
	  opacity: .6;
	  font-size: 13px;
	  position: fixed;
	  bottom: 25px;
	  margin-left: calc(50% - 130px);
  }
}
</style>
